drm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe (Linux Linux)

CVE-2024-49914
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.24 % · percentile 16 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe This commit addresses a null pointer dereference issue in the `dcn20_program_pipe` function. The issue could occur when `pipe_ctx->plane_state` is null. The fix adds a check to ensure `pipe_ctx->plane_state` is not null before accessing. This prevents a null pointer dereference. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn20/dcn20_hwseq.c:1925 dcn20_program_pipe() error: we previously assumed 'pipe_ctx->plane_state' could be null (see line 1877)

Weaknesses (CWE)

  • CWE-476 — NULL Pointer Dereference

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 21c613e1c6ae45bb29ebc156d22060f034cc5665 ; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 68f75e6f08aad66069a629db8d7840919156c761 ; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 65a6fee22d5cfa645cb05489892dc9cd3d142fc2 ; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 8e4ed3cf1642df0c4456443d865cff61a9598aa8
Linux · Linuxaffected 4.15 ; unaffected 0 < 4.15 ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.6.64 ≤ 6.6.* ; unaffected 6.11.3 ≤ 6.11.* ; unaffected 6.12 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD